/*
 *    Copyright 2005 The Regents of the University of Michigan
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.tranche.users;

import java.security.cert.X509Certificate;

/**
 *
 * @author James "Augie" Hill - augman85@gmail.com
 */
public class UserCertificateUtil {

    /**
     * 
     * @param certificate
     * @return
     */
    public static final String readUserName(X509Certificate certificate) {
        try {
            String[] parts = certificate.getSubjectDN().getName().split(", *");
            for (String part : parts) {
                if (part.contains("CN")) {
                    return part.split("=")[1];
                }
            }
        } catch (Exception e) {
        }
        return null;
    }

    /**
     *
     * @param certificate
     * @return
     */
    public static final String readIssuerName(X509Certificate certificate) {
        try {
            String[] parts = certificate.getIssuerDN().getName().split(", *");
            for (String part : parts) {
                if (part.contains("CN")) {
                    return part.split("=")[1];
                }
            }
        } catch (Exception e) {
        }
        return null;
    }
}
